36449993 has 2 divisors, whose sum is σ = 36449994. Its totient is φ = 36449992.

The previous prime is 36449953. The next prime is 36450059. The reversal of 36449993 is 39994463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 4624 = 6037^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 36449993 - 2⁶ = 36449929 is a prime.

It is not a weakly prime, because it can be changed into another prime (36449953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18224996 + 18224997.

It is an arithmetic number, because the mean of its divisors is an integer number (18224997).

Almost surely, 2^36449993 is an apocalyptic number.

It is an amenable number.

36449993 is a deficient number, since it is larger than the sum of its proper divisors (1).

36449993 is an equidigital number, since it uses as much as digits as its factorization.

36449993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 47.

The square root of 36449993 is about 6037.3829595281. The cubic root of 36449993 is about 331.5628136528.

The spelling of 36449993 in words is "thirty-six million, four hundred forty-nine thousand, nine hundred ninety-three".